<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        {% block link%} {% endblock %}
    </head>

    <body>
        <div id="app">
            {% include "header.html"%} {% block main%} {% endblock %} {% include
            "footer.html"%}
        </div>
    </body>
</html>
